Child&#39;s multi-level booster seat



FIG. 1 is a perspective view of a child's multi-level booster seat showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a side elevational view thereof. 

The ornamental design for the child's multi-level booster seat, as shown and described. 